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Finding the Fourth Proportional to 66,332.43, 91,509.18 and 44,815.26

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Solution

The fourth proportional to 66,332.43, 91,509.18 and 44,815.26 is: 61,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,332.43 : 91,509.18 = 44,815.26 : x
  2. Step 2: Convert to fraction form
    66,332.43/91,509.18 = 44,815.26/x
  3. Step 3: Cross multiply
    66,332.43x = 91,509.18 × 44,815.26
  4. Step 4: Simplify right side
    66,332.43x = 4,101,007,694.09
  5. Step 5: Solve for x
    x = 4,101,007,694.09/66,332.43
  6. Step 6: Final answer
    x = 61,825.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.